Tag: limit

Pushing limit of solar cells for more efficiency

Pushing limit of solar cells for more efficiency

Some laboratories have achieved impressive efficiencies under concentrated sunlight. SunPower Corp. is much closer to the market. The California-based company recently produced a record-setting 24.2 percent efficiency large area silicon wafer in its Philippine factory. Heat loss from available silicon solar cells reduces the maximum efficiency to around 30 percent. Professor Xiaoyang Zhu at the [...]